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片形的 : 21 phrases in 10 subjects |
| Agriculture | 4 |
| Architecture | 1 |
| Aviation | 2 |
| Chemistry | 1 |
| Dermatology | 1 |
| Electric machinery | 1 |
| General | 5 |
| Technology | 2 |
| Textile industry | 3 |
| Wind Energy | 1 |
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